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Old 06-06-2009, 08:02 PM   #1
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Default baseline needle settings for mega 21

hello. could someone give me a good starting point for the low and high speed needle settings on a mega 21 onroad motor? right now i'm at 5.5 turns out on the low and 6.5 turns out on the high. for the most part the engine seems to run fine but it does cut out after a full throttle pass. temps are at 180f. thanks for the help.
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Old 06-06-2009, 11:58 PM   #2
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Go to www.jpracing.com, go to a JP FX21 engine and on such a page you find a link of the settings. It is basicly the same carb.
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